Jack and Jill borrow $$29,000$ at $7\mathrm{.}1\%$ amoritzed over $7$ years to drill a well and renovate their kitchen and bathrooms. Assuming that the monthly principal and interest payments are made as agreed, what is the loan balance at the end of $3$ years? $($Round to nearest penny and enter, for example, as $123456\mathrm{.}78)$